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<head>
	<title>鸿星尔克720°展厅——Three.js</title>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
	<link type="text/css" rel="stylesheet" href="https://cdn.jsdelivr.net/gh/mrdoob/three.js@r130/examples/main.css">
	<style>
.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}
@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}
@media (max-width: 500px) {
  .github-corner:hover .octo-arm {
    animation: none;
  }
  .github-corner .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
  }
}
	</style>
	<script>
		var _hmt = _hmt || [];
		(function() {
		  var hm = document.createElement("script");
		  hm.src = "https://hm.baidu.com/hm.js?88edae91c0d9f3d77df7ee6685d66f08";
		  var s = document.getElementsByTagName("script")[0]; 
		  s.parentNode.insertBefore(hm, s);
		})();
	  </script>
</head>

<body><a href="https://github.com/hua1995116/360-sneakers-viewer" class="github-corner"><svg width="80" height="80" viewBox="0 0 250 250" style="fill: rgb(34, 34, 34); color: rgb(255, 255, 255); position: absolute; top: 0px; border: 0px; right: 0px;"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" class="octo-arm" style="transform-origin: 130px 106px;"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>
	<script type="module">

		import * as THREE from 'https://cdn.jsdelivr.net/npm/three@0.129.0/build/three.module.js';

		import { OrbitControls } from 'https://cdn.jsdelivr.net/gh/mrdoob/three.js@r130/examples/jsm/controls/OrbitControls.js';
		import { GLTFLoader } from 'https://cdn.jsdelivr.net/gh/mrdoob/three.js@r130/examples/jsm/loaders/GLTFLoader.js';
		import { DRACOLoader } from 'https://cdn.jsdelivr.net/gh/mrdoob/three.js@r130/examples/jsm/loaders/DRACOLoader.js'

		let camera, scene, renderer;

		init();
		render();

		function init() {
			const container = document.createElement('div');
			document.body.appendChild(container);
			// 设置一个透视摄像机
			camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.25, 1000);
			// 设置相机的位置
			camera.position.set(0, 1.5, -30.0);

			scene = new THREE.Scene();
			// 设置灯光
			const directionalLight = new THREE.AmbientLight(0xffffff, 4);
			scene.add(directionalLight);
			directionalLight.position.set(2, 5, 5);
			// 加载模型
			const gltfloader = new GLTFLoader();
			const draco = new DRACOLoader();
			draco.setDecoderPath('https://www.gstatic.com/draco/v1/decoders/');
			gltfloader.setDRACOLoader(draco);
			gltfloader.setPath('https://cdn.jsdelivr.net/gh/hua1995116/360-sneakers-viewer/assets/obj4/');
			gltfloader.load('er4-1.glb', function (gltf) {
				gltf.scene.scale.set(0.2, 0.2, 0.2); //设置缩放
				gltf.scene.rotation.set(-Math.PI / 2, 0, 0) // 设置角度
				const Orbit = new THREE.Object3D();
				Orbit.add(gltf.scene);
				Orbit.rotation.set(0, Math.PI / 2, 0);

				scene.add(Orbit);
				render();
			});


			renderer = new THREE.WebGLRenderer({ antialias: true });
			renderer.setPixelRatio(window.devicePixelRatio);
			renderer.setSize(window.innerWidth, window.innerHeight);
			container.appendChild(renderer.domElement);

			const controls = new OrbitControls(camera, renderer.domElement);
			controls.addEventListener('change', render);
			controls.minDistance = 2; // 限制距离
			controls.maxDistance = 10; 
			controls.target.set(0, 0, 0);  // 旋转中心点

			// controls.minPolarAngle = 0.3 // 设置最小旋转角度
			// controls.maxPolarAngle = Math.PI / 2 - Math.PI / 10

			controls.update();

			window.addEventListener('resize', onWindowResize);

		}

		function onWindowResize() {
			// 重新渲染
			camera.aspect = window.innerWidth / window.innerHeight;
			camera.updateProjectionMatrix();

			renderer.setSize(window.innerWidth, window.innerHeight);

			render();

		}

		function render() {

			renderer.render(scene, camera);

		}

	</script>

</body>

</html>
